Update README.md

Remove the Question mark as per https://github.com/Chalarangelo/30-seconds-of-code/issues/95

README.md

@@ -705,7 +705,7 @@ Pass `location.search` as the argument to apply to the current `url`.
 
 ```js
 const getUrlParameters = url =>
-  url.match(/([^?=&]+)(=([^&]*))?/g).reduce(
+  url.match(/([^?=&]+)(=([^&]*))/g).reduce(
     (a, v) => (a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1), a), {}
   );
 // getUrlParameters('http://url.com/page?name=Adam&surname=Smith') -> {name: 'Adam', surname: 'Smith'}